noun

• The layer of unconsolidated rocky material covering bedrock.

  ‘The surface of the Moon is covered by a soil layer called regolith, which has been produced by meteorite impact.’

  More example sentences

  • ‘Alteration of the bedrock produces a regolith, the base of which is known as the weathering front.’
  • ‘The Moon's crust is composed of a material known as regolith.’
  • ‘The regolith is a small-grained material resulting from multiple impacts on the moon's surface.’
  • ‘Many images show evidence of a thick loose regolith or gravel/sand/silt layer that could be collected easily by scooping or shoveling.’